Seiko Cal. 3866 - 428

Released in 1993, the Cal. 3866 with design code 428 was part of Seiko's domestic market collection. It features a Silver dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-06de34304fbd]

Also known as: Sportsmatic, Arnie

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

9.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Silver

Jewels

27j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1993

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